Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4474205 | Sliding blade apparatus for closing conduits | Paul L. Dreyer, William R. McLennan | 1984-10-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4474205 | Sliding blade apparatus for closing conduits | Paul L. Dreyer, William R. McLennan | 1984-10-02 |